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# # Copyright (c) Microsoft and contributors. All rights reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#   http://www.apache.org/licenses/LICENSE-2.0
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require "integration/test_helper"
require "azure/blob/blob_service"

describe Azure::Blob::BlobService do
  subject { Azure::Blob::BlobService.new }
  after { TableNameHelper.clean }

  describe '#get_blob' do
    let(:container_name) { ContainerNameHelper.name }
    let(:blob_name) { "blobname" }
    let(:content) { content = ""; 1024.times.each{|i| content << "@" }; content }
    let(:metadata) { { "CustomMetadataProperty"=>"CustomMetadataValue" } }
    let(:options) { { :blob_content_type=>"application/foo", :metadata => metadata } }

    before { 
      subject.create_container container_name
      subject.create_block_blob container_name, blob_name, content, options
    }

  	it 'retrieves the blob properties, metadata, and contents' do
      blob, returned_content = subject.get_blob container_name, blob_name
      returned_content.must_equal content
      blob.metadata.must_include "custommetadataproperty"
      blob.metadata["custommetadataproperty"].must_equal "CustomMetadataValue"
      blob.properties[:content_type].must_equal "application/foo"
    end

  	it 'retrieves a range of data from the blob' do
      blob, returned_content = subject.get_blob container_name, blob_name, { :start_range => 0, :end_range => 511 }
      returned_content.length.must_equal 512
      returned_content.must_equal content[0..511]
  	end

  	it 'retrieves a snapshot of data from the blob' do
    	snapshot = subject.create_blob_snapshot container_name, blob_name

	    content2= ""
	    1024.times.each{|i| content2 << "!" }
      subject.create_block_blob container_name, blob_name, content2, options

      blob, returned_content = subject.get_blob container_name, blob_name, { :start_range => 0, :end_range => 511 }
      returned_content.length.must_equal 512
      returned_content.must_equal content2[0..511]

      blob, returned_content = subject.get_blob container_name, blob_name, { :start_range => 0, :end_range => 511, :snapshot => snapshot }

      returned_content.length.must_equal 512
      returned_content.must_equal content[0..511]
  	end
  end
end